65 lines
2.2 KiB
TypeScript
65 lines
2.2 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
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import * as Redis from 'ioredis';
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import { In } from 'typeorm';
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import type { MiUser } from '@/models/User.js';
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import type { UserKeypairsRepository } from '@/models/_.js';
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import type { MiUserKeypair } from '@/models/UserKeypair.js';
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import { DI } from '@/di-symbols.js';
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import { bindThis } from '@/decorators.js';
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import { CacheManagementService, type ManagedQuantumKVCache } from '@/global/CacheManagementService.js';
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import { InternalEventService } from '@/global/InternalEventService.js';
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import type { InternalEventTypes } from '@/core/GlobalEventService.js';
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@Injectable()
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export class UserKeypairService implements OnApplicationShutdown {
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public readonly userKeypairCache: ManagedQuantumKVCache<MiUserKeypair>;
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constructor(
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@Inject(DI.redis)
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private redisClient: Redis.Redis,
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@Inject(DI.userKeypairsRepository)
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private userKeypairsRepository: UserKeypairsRepository,
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private readonly internalEventService: InternalEventService,
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cacheManagementService: CacheManagementService,
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) {
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this.userKeypairCache = cacheManagementService.createQuantumKVCache('userKeypair', {
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lifetime: 1000 * 60 * 60, // 1h
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fetcher: async userId => await this.userKeypairsRepository.findOneByOrFail({ userId }),
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optionalFetcher: async userId => await this.userKeypairsRepository.findOneBy({ userId }),
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bulkFetcher: async userIds => {
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const keypairs = await this.userKeypairsRepository.findBy({ userId: In(userIds) });
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return keypairs.map(keypair => [keypair.userId, keypair]);
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},
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});
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this.internalEventService.on('userChangeDeletedState', this.onUserDeleted);
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}
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@bindThis
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public async getUserKeypair(userId: MiUser['id']): Promise<MiUserKeypair> {
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return await this.userKeypairCache.fetch(userId);
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}
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@bindThis
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private async onUserDeleted(body: InternalEventTypes['userChangeDeletedState']): Promise<void> {
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await this.userKeypairCache.delete(body.id);
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}
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@bindThis
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public dispose(): void {
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this.internalEventService.off('userChangeDeletedState', this.onUserDeleted);
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}
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@bindThis
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public onApplicationShutdown(signal?: string | undefined): void {
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this.dispose();
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}
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}
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